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Solve with a Hundreds Chart
Solve with an Open Number Line Part 1
Solve with an Open Number Line Part 2
100

15+10=

25

100

26+40=

66

100

62+14=

76

200

37+12=

49

200

41+40=

81

200

44+15=

59

300

84+10=

94

300

79+10=

89

300

76+11=

87

400

62+30=

92

400

53+20=

73

400

35+27=

62

500

73+21=

94

500

80+20=

100

500

28+13=

41